B-type asteroids are a relatively uncommon type of carbonaceous asteroid, falling into the wider C-group; the 'B' indicates these objects are spectrally...

C-type (carbonaceous /ˌkɑːrbəˈneɪʃəs/) asteroids are the most common variety, forming around 75% of known asteroids. They are volatile-rich and distinguished...

F-type asteroids are a relatively uncommon type of carbonaceous asteroid, falling into the wider C-group. F-type asteroids have spectra generally similar...

An asteroid spectral type is assigned to asteroids based on their reflectance spectrum, color, and sometimes albedo. These types are thought to correspond...

The X-group of asteroids collects together several types with similar spectra, but probably quite different compositions. In the Tholen classification...

D-type asteroids have a very low albedo and a featureless reddish spectrum. It has been suggested that they have a composition of organic-rich silicates...

M-type (aka M-class) asteroids are a spectral class of asteroids which appear to contain higher concentrations of metal phases (e.g. iron-nickel) than...

E-type asteroids are asteroids thought to have enstatite (MgSiO3) achondrite surfaces. They form a large proportion of asteroids inward of the asteroid...

B type or Type B may refer to: B-type asteroid, a type of relatively uncommon type of carbonaceous asteroid B-type giant, a type of blue giant star B-type...

designation: 2 Pallas) is the third-largest asteroid in the Solar System by volume and mass. It is the second asteroid to have been discovered, after Ceres,...